Modifying constructor for tyspec-struct structures.
(change-tyspec-struct x [:unwrap <unwrap>])
This is an often useful alternative to make-tyspec-struct.
We construct a new tyspec-struct structure that is a copy of
This is an ordinary
Macro:
(defmacro change-tyspec-struct (x &rest args) (std::change-aggregate 'tyspec-struct x args '((:unwrap . tyspec-struct->unwrap)) 'change-tyspec-struct 'nil))